mesa/src/util/rgtc.h

40 lines
1.9 KiB
C

/*
* Copyright © 2014 Red Hat
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#ifndef _RGTC_H
#define _RGTC_H
void util_format_unsigned_fetch_texel_rgtc(unsigned srcRowStride, const unsigned char *pixdata,
unsigned i, unsigned j, unsigned char *value, unsigned comps);
void util_format_signed_fetch_texel_rgtc(unsigned srcRowStride, const signed char *pixdata,
unsigned i, unsigned j, signed char *value, unsigned comps);
void util_format_unsigned_encode_rgtc_ubyte(unsigned char *blkaddr, unsigned char srccolors[4][4],
int numxpixels, int numypixels);
void util_format_signed_encode_rgtc_ubyte(signed char *blkaddr, signed char srccolors[4][4],
int numxpixels, int numypixels);
#endif /* _RGTC_H */